3M Multimedia Projector MP8610 Adjustments 3M 1999 1-91-9. Lamp Timer InformationA lamp life indicator is located under the Option sub-menu. If the indicator bar for the sub-menu item Lamp isGreen the lamp is good. When the bar turns red or the projection image appears dark, the lamp and air filtershould be replaced.1-9-1. Reset the Lamp Timer1. Under the Option sub-menu select the sub-menu item Lamp and press Enter.4. Follow the instructions in the Help Window.5. Press the Enter button and the Up Arrow button on the control panel for confirmation.Downloaded From projector-manual.com 3M Manuals